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For in the midst of all the injustices that confront us every time we check news headlines, remembering is as crucial as forgiving. On the anniversary of America’s independence, the abolitionist leader Frederick Douglass made a biblical Psalm—Psalm 137—best known for its opening line, “By the rivers of Babylon,” a centerpiece of his most famous speech, “What to the Slave Is the Fourth of July?”

To make a basic firework or firecracker, you just put this powder in a container, usually made of thick cardboard or paper. For many people around the world, the very first moments of the new year will be filled with the sounds and colorful light shows of fireworks. From loud bangs to long whistles, bright reds to pale blues, there are thousands of variations of fireworks and an entire branch of chemistry that explores these fun explosions.

Enlarge (credit: Aurich Lawson | Getty Images) For many artists, it's a precarious time to post art online. AI image generators keep getting better at cheaply replicating a wider range of unique styles, and basically every popular platform is rushing to update user terms to seize permissions to scrape as much data as possible for AI training. Defenses against AI training exist—like Glaze, a tool that adds a small amount of imperceptible-to-humans noise to images to stop image generators from copying artists' styles.

Bon Jovi’s latest studio album—the band’s 16th—entered the chart’s at No. 1 last month. This marketing exec says entrepreneurs can learn a lot about staying power from the band. In the four-part Hulu series Thank You, Goodnight, director Gotham Chopra does a deep dive into the impressive career and longevity of the band Bon Jovi.

Enlarge / The Milky Way's central black hole is in a very crowded neighborhood. (credit: UMass/D. Wang/NASA/STScI) Supermassive black holes are ravenous. Clumps of dust and gas are prone to being disrupted by the turbulence and radiation when they are pulled too close. So why are some of them orbiting on the edge of the Milky Way’s own supermassive monster, Sgr A*?

Enlarge (credit: Getty | Bettmann) If you were to envision the kind of accident that would cause a person’s bowels to explode out of their body, you might imagine some sort of gruesome stabbing or grisly car accident. You’d probably never imagine that something as commonplace and harmless as a sneeze would cause this kind of ghastly injury—but that’s exactly what happened to a Florida man earlier this month. The man had recently had abdominal surgery and was suffering from wound dehiscence—where his surgical scar wasn’t healing properly.